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Author Topic: Stepper Motor Acceleration  (Read 1241 times)
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Hello to all,
I am new to arduino(sorry about my English). I have working on a X-Y plotter and i have a prolem. At the bottom of the program "for" loop doesn't seem to work properly.When i gave the input "a" it works however when i gave again i doesn't work again. Have you any ideas?

#include <AccelStepper.h>
#include <Stepper.h>
AccelStepper stepper1 (4,2,3,4,5);
AccelStepper stepper2 (4,8,9,10,11);

const int stepsPerRevolution = 200;
Stepper myStepper1(stepsPerRevolution, 2,3,4,5);
Stepper myStepper2(stepsPerRevolution, 8,9,10,11);
char p;

void setup()
{
Serial.begin(9600);
Serial.println("TEST");
stepper1.setMaxSpeed(200.0);
    stepper1.setAcceleration(200.0);
    stepper1.moveTo(200);
   
    stepper2.setMaxSpeed(200.0);
    stepper2.setAcceleration(200.0);
    stepper2.moveTo(200);

}
void loop()
{
  if(Serial.available()>0)
{
p=Serial.read();


Serial.println(p);
if(p=='a'){
al();//nor(650)

}
int al(){
 
    for(int s=1; s<200; s++)
{
    stepper1.run();
    stepper2.run();
    delay(1);
}
       
}
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In setup(), you define where the steppers are to go to. The first time that 'a' is received, the steppers go there. The next time that 'a' is received, they are already there, so nothing happens. Why is that a surprise?
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